1/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <limits.h>
21#include "pthreadP.h"
22
23
24#ifndef NEW_VERNUM
25# define NEW_VERNUM GLIBC_2_3_3
26#endif
27
28
29int
30__pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
31 size_t stacksize)
32{
33 struct pthread_attr *iattr;
34
35 iattr = (struct pthread_attr *) attr;
36
37 /* Catch invalid sizes. */
38 int ret = check_stacksize_attr (stacksize);
39 if (ret)
40 return ret;
41
42#ifdef EXTRA_PARAM_CHECKS
43 EXTRA_PARAM_CHECKS;
44#endif
45
46 iattr->stacksize = stacksize;
47#if _STACK_GROWS_DOWN
48 iattr->stackaddr = (char *) stackaddr + stacksize;
49#else
50 iattr->stackaddr = (char *) stackaddr;
51#endif
52 iattr->flags |= ATTR_FLAG_STACKADDR;
53
54 return 0;
55}
56
57#if PTHREAD_STACK_MIN == 16384
58strong_alias (__pthread_attr_setstack, pthread_attr_setstack)
59#else
60# include <shlib-compat.h>
61versioned_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack,
62 NEW_VERNUM);
63
64# if SHLIB_COMPAT(libpthread, GLIBC_2_2, NEW_VERNUM)
65
66int
67__old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
68 size_t stacksize)
69{
70 struct pthread_attr *iattr;
71
72 iattr = (struct pthread_attr *) attr;
73
74 /* Catch invalid sizes. */
75 if (stacksize < 16384)
76 return EINVAL;
77
78# ifdef EXTRA_PARAM_CHECKS
79 EXTRA_PARAM_CHECKS;
80# endif
81
82 iattr->stacksize = stacksize;
83#if _STACK_GROWS_DOWN
84 iattr->stackaddr = (char *) stackaddr + stacksize;
85#else
86 iattr->stackaddr = (char *) stackaddr;
87#endif
88 iattr->flags |= ATTR_FLAG_STACKADDR;
89
90 return 0;
91}
92
93compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack,
94 GLIBC_2_2);
95# endif
96
97#endif
98